Surveys

Underwater operations in progress until further notice by c/s ile daix in vicinity of trackline joining…

Irish Sea · HYDROLANT 874/21

issued
2021-03-30 17:23Z
status
cancelled 2021-04-03 22:02Z (archive)
authority
WZ 360/21 301720Z MAR 21.
position
53.805, -4.503
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

IRISH SEA.
DNC 20.
UNDERWATER OPERATIONS IN PROGRESS UNTIL FURTHER
NOTICE BY C/S ILE DAIX IN VICINITY OF TRACKLINE JOINING
53-48.7N 004-31.0W, 53-47.9N 004-29.4W
ONE MILE BERTH REQUESTED.

This area · survey operations

444 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
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24

Season · when survey operations happen here

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A
M
J
J
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month of issue, all years in the archive

Timeline

Nearby now · within 120 nm

Worldwide now

73 survey operations in force · see all

Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations

Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.